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science questions #1
made in nov 30th 2017 mrs.rautos 6th grade class
Question | Answer |
---|---|
chemical or physical? flammability | chemical |
solubility | physical |
oxidation | chemical |
density | physical |
boiling point | physical |
explain the comparison/difference between the freezing point and the melting point | the freezing point is when a substance turns from a liquid to a solid while melting point is when a solids to a liquid |
true or false: there are about 400 known elements _ | False |
all of the elements combine in a variety of ways to make up all living things and non living things | true |
atoms of the same elements have different properties | false |
what's the answer? the part of a solution that does the dissolving is the... | solvent |
the part of a solution that gets dissolved is the... | solute |
__________ is the amount of a substance that can be dissolved into another substance is the... | solubility |
__________properties can be observed or measured without changing its chemical nature of matter | physical |
__________ properties describe a change in structure | chemical |
the temperature at which a substance turns from a liquid to gas is its ___________ | boiling point |
the temperature at which a substance turns from a solid to a liquid is its __________ | melting point |
___________ is a property that describes the relationship between mass and volume | density |
a homogeneous mixture of two or more substances (cant be separated) is called a __________ | solution |
___________ is a combination between two or more substances that keep their properties | mixture |
all matter is made of tiny particles a called__________ | atoms |
____________ is the amount of matter in an object | mass |
the theory of __________ of matter states that matter cannot be created or destroyed | conservation |
_____________ is anything that has mass and volume | matter |
the amount of space an object takes up is its____________ | volume |
an ____________ is a substance made of only one kind of atom | element |
an atom is the smallest part of a particle that still has the ___________ of that element | properties |
atoms are not tightly packed together and have so much energy that they slip past each other quickly in a ___________ | gas |
in a ___________ atoms are tightly packed together and vibrate in place | solid |
increased temperature means greater energy of motion so most substances ____________ | expand |
most substances can exist as a solid, liquid, or gas depending on the ____________ | temperature |
in a ____________atoms are tightly packed together but have enough energy to slide past each other | liquid |
when heat is ____________a solid becomes a liquid | added |
when heat is ____________ a liquid becomes a solid | removed |
fill in the blanks with yes or no... a solid has a define shape_______ a solid has a define volume_______ a solid has a define mass______ | define shape yes define volume yes define mass yes |
a liquid has a define shape______ a liquid has a define volume_______ a liquid has a define mass______ | define shape no define volume yes define mass yes |
a gas has a define shape_______ a gas has a define volume_______ a gas has a define mass_______ | define shape no define volume yes define mass no |